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Low Rate (LRT - 1 sps) Clouds data subset (ICARTT format)

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Summary

This data set includes airborne measurements obtained from the NSF/NCAR HIAPER GV aircraft (Tail Number N677F) during the DC3 project. This dataset contains 2DC data (CONC2DC[AR]_LWOI, DBAR2DC[AR]_LWOI, and PLWC2DC[AR]_LWOI) extracted from updated netCDF data files. Files are in ICARTT format.

EOL previously released 1D data for DC3 in ICARTT format. This data is slightly different from that data, so users who are focusing on cloud particle research may wish to download this data.

Data access

  • ORDER data for delivery by FTP

Additional information

Identifier
Data Quality final
Versions
  • 3.0 (2018-10-18):

    This dataset contains 2DC data (CONC2DC[AR]_LWOI, DBAR2DC[AR]_LWOI, and PLWC2DC[AR]_LWOI) extracted from updated netCDF data files. It was discovered that all particles in a single buffer were time-stamped with the data-system time tag of the end off the buffer. For concentrations above 5-10/L, or when in heavy cloud, the system writes multiple buffers per second so the time-stamp will be very close to accurate. When a buffer spans multiple seconds, all the particles were being binned to the second of the end time-stamp for the buffer. This has now been corrected so data is spread across the time-period of the buffer correctly. This version also uses exact circle fitting for measuring particle size and limits accepted particles to center-in images. 
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Spatial Type point
Frequency 1 second
Language English
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Temporal coverage

Begin datetime 2012-05-18 00:00:00
End datetime 2012-06-30 23:59:59

Spatial coverage


Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 42.06574, Minimum (South) Latitude: 24.96023
Minimum (West) Longitude: -106.76535, Maximum (East) Longitude: -84.04339

Primary point of contact information

EOL Data Support <datahelp@eol.ucar.edu>

Additional contact information

Citation

UCAR/NCAR - Earth Observing Laboratory. 2018. Low Rate (LRT - 1 sps) Clouds data subset. Version 3.0. UCAR/NCAR - Earth Observing Laboratory. https://doi.org/10.5065/D67943HP. Accessed 15 Oct 2024.

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